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Emergency Medicine

Billy Jefferson Jr., DO

Works at hospitals in Leesville, LA · Shreveport, LA · Hattiesburg, MS … · Louisiana, Mississippi

Summary

Billy Jefferson Jr., DO (Emergency Medicine) is listed by Medicare at 5 hospitals in Leesville, LA, Shreveport, LA and Hattiesburg, MS and other places. NPI 1407423809. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Billy Jefferson Jr., joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
5Years since medical school (graduated 2021)
William Carey University College Of Osteopathic MedicineMedical school
MaleGender (as listed)
Southwest Mississippi Regional Medical CenterGroup practice (+5 more)

Quick answers

Which hospitals does Billy Jefferson Jr. work at?
Medicare's official clinician data lists Billy Jefferson Jr. at 5 hospitals: Byrd Regional Hospital, CHRISTUS Shreveport-Bossier Health System, Forrest General Hospital, Marion General Hospital and Willis Knighton Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Billy Jefferson Jr. see patients?
Medicare's clinician data lists 7 practice locations, including Minden, LA, Leesville, LA and Arcadia, LA. Call before your visit to confirm the address.
What is Billy Jefferson Jr.'s specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Billy Jefferson Jr. accept Medicare assignment?
Yes. Medicare's clinician data says Billy Jefferson Jr. accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Billy Jefferson Jr.?
(318) 377-2321, as listed in official Medicare / NPI Registry data.
What is Billy Jefferson Jr.'s NPI number?
1407423809. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Billy Jefferson Jr. works

Medicare's Facility Affiliation Data lists Billy Jefferson Jr. at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Billy Jefferson Jr. is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.

Group practices

Medicare enrollment lists Billy Jefferson Jr. as a member of these groups (CMS data updated 2026-10-02).

  • Southwest Mississippi Regional Medical Center83 clinicians in the group
  • Cross Lake Emergency Group, LLC61 clinicians in the group
  • Relias Emergency Medicine Specialists of Hattiesburg LLC48 clinicians in the group
  • Highland Emergency Group, LLC41 clinicians in the group
  • Kisatchie Emergency Group LLC19 clinicians in the group
  • Webster Emergency Group LLC16 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Louisiana →

Other emergency medicine doctors in Minden

Clinicians with the same Medicare primary specialty in Minden, LA — not a recommendation.

All emergency medicine doctors in Minden →

Clinician information

CredentialDO
Medical schoolWilliam Carey University College Of Osteopathic Medicine
Graduation year2021
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1407423809
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians